Sr. Network Engineer

Profile Summary:

• 8 years of Experience designing, installing, and configuring Local Area Networks and Wide Area Networks in a remote location with Wireless LAN Access Points Operations
• Several years of experience in Information Technologies with expertise in area of Windows server, VMware virtualization technologies, server automation Monitoring tool and some of the Storage technologies
• Hands on experience in configuring Cisco routers, switches, ASA Firewalls, Wireless Networks, VoIP Networks.
• LAN, WAN, WIRELESS LAN, TCP/IP, DNS, VPN, FTP, Cisco IOS, VTP, STP, RIPv2, EIGRP, OSPF, SNMP.
• Good experience, working with a team in designing LAN/WAN/WLAN architecture.
• Experience in installing, administrating managing Windows server operating system 2000, 2003, 2003 R2, 2008,2008 R2,2012 and their standard, Enterprise Datacenter Edition
• Hands on experience in Windows Active Directory administration, DNS, GPU, GPO, DHCP, LDAP
• Experience in handling more than 3000 mix of Windows server, 200 ESXi servers, Remote data center, Multiple vCenter
• Experience in Active Directory, GPOs, DNS, DHCP, File and Print Servers, IIS Web server , FTP, Terminal Server, NAT, Microsoft Clustering and Exchange mail server in windows base server environment
• Excellent knowledge in creating and managing users, permission setting, roles and responsibility assignment and VM resource allocation on ESXi hosts
• Extensive experience in VMware ESX/ESXi hosts 3.5, 4.1 5.x hypervisor and Microsoft virtual server as well Hyper V
• Experience VMware clustering, HA, DRS rules, vMotion, Storage vMotion, Snapshot manager, Cloning, Template creation and deployment VMware View 4.x/5.x, Site Recovery manager SRM 5.0
• Experience in creating Virtual Machine, template creation, cloning them, VM tools 3.0/5.0/7.0install and upgrade
• Hands on experience in Virtual standard switch, Virtual Distributed switch, VLAN mapping into VMware
• Good understanding of windows and VMware server automation using scripting language Power shell, VB Script, Power CLI

TECHNICAL SKILLS:

• VMware:
• VMware vSphere 4.0/4.1/5.0, VCenter Server 4.0/4.1/5.0, ESX 3.5/4.0/4.1, ESXi 4/5.x, VMware Update Manager, VMware View 4.6 VDI ,VMware vCenter Converter.
• HA, DRS, FT, vMotion, Storage vMotion, VMware Capacity Planner, SRM, VDR.
• Windows Administration:
• Configuration of DHCP and DNS, Windows Server 2000/2003/2008 - installation and configuration, installation and configuration of Active Directory and Internet Information Service IIS 5.0/6.0 , creating users and groups, setting user access controls
• Networking:
• OSI Reference Model, IPv4 and IPv6 addressing and subnetting, Ethernet LAN, TCP/IP, UDP, switches, routing concepts, virtual network concepts including vSwitches, VLANs, dvSwitch, TCP/IP stack for virtualization.
• Hardware:
• HP ProLiant DL380G4/G5/G6 Intel Xeon, HP Proliant DL580 G5, Dell PowerEdge 2850, 2950, R710, HP BL 460c G5/G6 blade servers, C7000 HP Chassis, HP Tape Library MSL 6060,MSA 1000 SAN, Sun Storage tech Tape Library.
• Operating Systems:
• Windows Server OS NT/2000/2003/2008, Windows 7/XP/NT, Linux Ubuntu , UNIX. Redhat Linux.

Professional Experience:

Confidential

Role: Sr.Network Administrator

Responsibilities:

• Perform day-to-day operational support of IT networking Environments.
• Troubleshoot and replace system and network hardware as required.
• Monitor system and network utilization/capacity.
• Design, installation and testing of network-related services and hardware.
• Good experiences in High Performance Computing techniques which will help you in high performance computing
• Participate in and contribute to the development and implementation of support tools and resources to enhance the local and remote support capabilities of the Hosting and Data Center environments.
• Coordinate with developers, engineering and other staff members on issues related to existing system enhancements
• and new system implementations.
• Provide 24x7 on call support on a rotating basis Some after-hours scheduled maintenance events.
• Troubleshoot issues on Cisco Nexus 7k, Catalyst switches 6500, 4500, 3750 and Routers
• Performed troubleshooting on slow network connectivity issues, routing issues involved OSPF, BGP and identifying the root cause of the issues.
• Hands on technical experience configuring, maintaining and troubleshooting various routing protocols Hands on technical experience configuring, maintaining and troubleshooting Cisco IOS and CATOS.
• Hands on technical experience configuring, maintaining and troubleshooting network firewalls VPN DHCP servers.
• Experience with maintaining network infrastructure in a high availability public facing production environment.
• Thorough understanding of TCP/IP, virtual LAN, HSRP,STP, DNS, SNMP, SMTP and a myriad of other protocols and technologies.
• Monitor, maintain and enhance existing systems and network telemetry gathering and reporting services as well as associated servers.

Environment: Router series, switch series , Nexus 7K, 5K 2K , Routing Protocols EIGRP, OSPF, BGP , Catalyst switches 6500, 4500, 3750 , Cisco IOS and CATOS, LAN, HSRP,STP, DNS, SNMP, SMTP

Confidential

Role: Network Administrator

Responsibilities:

• Coordinated timely disaster recovery procedures affecting the stability of data center operations.
• Developed and revised departmental procedure manuals to assist staffs in technical operations.
• Implemented Quality Control procedures to ensure full compliance with Service Level Agreements.
• Monitored and troubleshot LAN, installed and configured routers and switches, and generated weekly reports
• Managing Exchange 2003 servers and troubleshooting issues related to User and group accounts, mail delivery, configuring MX records to enable and disable domain.
• Responsible for Security Patch Management and Deployment to all clients using Microsoft WSUS.
• Administering DHCP Server creation of reservation and configuration of server options.
• Configured Terminal Server to access to the servers using Remote Desktop Protocol.
• Installing, troubleshooting and supporting Windows 2003 server administration and Active Directory.
• User Support - Monitoring and troubleshooting system performance, server user related problems. Support users to resolve their day to day issues related to OS, E-mail, Account issues, hardware etc.
• Managed the installation and configuration of Windows 2000 Server/Workstations.
• Created user and computer accounts on the Active directory users and computers.
• Monitored the servers and trouble shot the server issues
• Resolved the user issues related to Active Directory Users and groups

Environments: Implementation, configuration and troubleshooting of network using Switching technology like VLANs, inter-VLAN routing, VTP, STP, RSTP, PVST, PVST , HSRP, VRRP, Routing technology like EIGRP, OSPF, BGP, IOS update, managing networking using tools like CISCO LMS, NMS, firewall Analyzer, Solar Winds Orion , Spice work, managing server environment like DNS, DHCP, FTP, AD Server for client.

Confidential

Windows Server Engineer/ Active Directory Engineer

Role: System Engineer

Responsibilities:

• Handling complex enterprise environment with 3000 Windows servers and 200 ESXi hosts in two datacenter and multiple remote locations
• Installation and support of VMWARE ESX/ESXi 3.5/4.x/5.x server which hosts the virtual servers for the test/dev/staging environment.
• Build and administer vCenter 4.1/5.0, VMware cluster, HA, DRS, Snapshot, Clone
• Performance tuning for VMware ESXi hosts and Virtual Machine, setting up their CPU affinity rules, allocating resources and fine tuning storage
• Administering VMware VDI, allocating new VDI and maintaining
• Monitoring the resources and services on the servers using System Center Operation Manager SCOM 2007 R2, HP SIM IBM Director, worked as SCOM administrator.
• Storage configuration using SAN with IBM Blade Center s, HP EVA series
• Supporting SAN infrastructure, NAS infrastructure
• Installation and Support of Windows NT/2000/2003/2008/2008 R2/2012/2012 R2 servers functioning in Multi-Tier application environments.
• Managed shared folders groups using DFS, applied NTFS/Active Directory file permissions, create user profile and user rights restrictions and password management.
• Possess excellent Windows server skills in the areas of Active directory, Domain architecture, TCP/IP, DNS, Wins system, availability, scheduling, server capacity and performance.
• Implementation and Maintenance of Group Policies and Active Directory Replication.
• Level-2/3 troubleshooting clustered file print server support for user base over 2000 users.
• Installation and Administration of HP Proliant servers, C7000 Enclosure, Dell Power Edge, Compaq.
• Troubleshooting hardware issues like, RAM, HDD, CPU, Blue screen etc on all server hardware
• Installation, Configuration and troubleshooting of DNS and DHCP.
• Installation and Administration of Web servers and FTP servers.
• Responsible for running Wintel on host operating systems and applications such as Microsoft Windows to run in a protected, virtual environment in a window.
• Installation and Administration of Fail over cluster in Windows 2000/2003/2008 environment.
• Managing the backups using the Tivoli Storage Manager TSM and Backup Exec System Recovery.
• Monitoring the servers using HP Systems Insight Manager to find any issues with the server's hardware.
• Patch Management using System Center Configuration Manager SCCM .
• Participation on disaster recovery planning, mock drill and preparation

Environment: Windows 2000/2003/2008, EMC SAN, IBM-SAN, SQL Servers /2003/2008, VMWARE ESX 3.5/4.0/4.1/5.0/5.1,

Confidential

Role: Network Engineer

Responsibilities:

• Assisted in troubleshooting LAN connectivity and hardware issues in the network of 100 hosts.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router
• Created a backup and recovery policy for software application and verified peripherals are working properly.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems on a day to day basis provide solutions that would fix the problems within their Network.
• Responsible for Windows 2000/2003 server, DNS, and TCP/IP support.
• Monitor the operability and reliability of the network.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Managed the IP address space using subnets and variable length subnet masks VLSM .
• Configured Cisco CallManager, Voice Gateway, IP Telephony, and Cisco CallManager Express for VOIP.
• Responsible to help team for troubleshoot, configure and resolve the issues regarding F5.
• Support ongoing efforts in defining best practice policies for Juniper product applications used by Customer.
• Proactively perform corrective maintenance for IP/MPLS network.
• Review and evaluate all ITC technical documents related to IP/MPLS network.
• LAN cabling in compliance with CAT5 standards.

Confidential

Role: Network Engineer

Responsibilities:

• Install hardware, systems, and software for networks.
• Install, configure, and maintain network services, equipment and devices.
• Design and Development of Network infrastructure
• Manages all system back-up and restore protocol.
• Plans and supports network and computing infrastructure.
• Documents network problems and resolution for future reference.
• Monitors network system performance and implements performance tuning.
• Requires a thorough knowledge of networking essentials.
• Oversee software and network security.
• Strong analytical abilities and professional office experience needed.
• Available for on-call schedule
• Configure network devices and monitoring tools to provide automated alerts for outages, events, specific thresholds.
• Implementation, configuration and deployment of Active directory, IIS, DNS, DHCP, WINS, ISA, VMWARE , WSUS and windows Exchange 2003/07 server on server site.
• Loading new software upgrades and system improvements on existing equipment, schedule annual systems tests to assure stability, efficiency and reliability as well as introducing suitable security countermeasures in order to prevent delirious bugs, viruses system hacks or denial of service attacks.
• Install, configure TCP/IP and operate wired and wireless networks.
• Analyzed and troubleshoot network problems and performance issues.
• Configuring Group Policies, software distribution,
• Implement auditing and security settings for computers and users accounts
• Configuring floor switches Cisco 3750 for the end users.
• Responsible Making of Zone based policy firewall.
• Configuring Cisco Wireless Access Points, HSRP, and STP in Cisco Catalyst 4507 switch.
• Configuring Wireless LAN 802.11 a/b/g .
• Managed packets over SONET uplink with enhanced gigabit Ethernet module that supports standards compliant SONET /SDH interface.
• Responsible Making of network assessment for current network infrastructure, providing Technical support for Routing Switching.
• Network trouble shooting and optimization

Confidential

Role: System Administrator

Responsibilities:

• Performed diagnostic testing on PC equipment and ensured printers were up and running at all times.
• Resolved Windows and Internet Explorer issues on desktop and laptop.
• Identified and removed viruses and provided major repairs in accordance with outside vendors.
• Performed wiring and daily maintenance of internal computer systems.
• Resolved Windows 7 related issues, Internet Explorer issues and other PC software related issues.
• Monitored and troubleshot LAN, installed and configured routers and switches, and generated weekly reports.
• Installed, configured and upgraded Windows and Linux network structures and various network devices, including CISCO, wireless and VoIP devices
• Performed diagnostic testing on PC equipment and ensured printers were up and running at all times.
• Resolved Windows 7 and Internet Explorer issues on desktop and laptop.
• Identified and removed viruses and provided major repairs in accordance with outside vendors.
• Performed wiring and daily maintenance of internal computer systems.
• Resolved Windows related issues, Internet Explorer issues and other PC software related issues.
• Monitored and troubleshot LAN, installed and configured routers and switches, and generated weekly reports.
• Configured servers for DHCP, WINS and DNS services.
• Installation, configuration and Administration of IIS web servers.
• Support Training - Provide necessary help / training to IT Helpdesk / Telecom Support Personal to resolve day to day issues.
• Built servers and installed applications as per the company standards and requirement. Used windows 2003 Standard Edition. Upgraded the Firmware of the servers. Participated in mounting, racking and cabling of the servers